News & Insights
Patent Law Alert -- USPTO Issues Supplemental Guidance on Design Patent Protection for GUIs, Computer Icons, and Virtual Interfaces
The 2026 Edition is Available of A Trademark is Not a Copyright or a Patent by William M. Borchard with Deborah K. Squiers
John Miranda Will Speak About the USPTO Trademark Application Process at AIPLA’s 2026 Trademark Boot Camp
Cowan, Liebowitz & Latman is Hosting a CLE About Recent Copyright Developments for In-House Counsel
On My Mind Blog
Case Studies
Federal Circuit reverses cancellation of U.S. trademark registrations
We established that cigarette rolling paper size designations are generic.
The Second Circuit affirms summary judgment for our client.
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
We succesfully represented our client, Major League Baseball Partners, Inc.
What They Say
"Kieran G. Doyle is a well-known name in the intellectual property market who regularly advises leading brands on the full remit of trademark issues, and draws the praise of peers and clients for his 'high standard of service'."
2025 Lexology Index“[Eric] Shimanoff is ‘highly recommended based on his responsiveness and follow through’ and currently advises Blackstone on clearance, prosecution, and enforcement, with a focus on eliminating avenues of infringement.”
2026 WTR 1000 – The World’s Leading Trademark Professionals“[Kieran] Doyle is trusted by Fortune 500 retail group Qurate Retail on all prosecution and enforcement programs across the world.”
2026 WTR 1000 – The World’s Leading Trademark Professionals"Richard S. Mandel is a phenomenal intellectual property litigator, held in high esteem for deft handling of cases at the forefront of the industry, and is lauded by peers and clients as 'a strong thinker'."
2025 Lexology Index"Cowan, Liebowitz & Latman is a highly respected boutique particularly proficient in handling copyright and trademark litigation, but also known for its high-quality advice on portfolio management. The firm exhibits expert knowledge of the publishing industry, and frequently handles IP matters relating to advertising."
Chambers USA 2025
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.










